Corrosion and oxidation behavior of amorphous and nanoquasicrystalline phases in Zr70Pd30 and Zr80Pt20 alloys

被引：8
|
作者：
Mondal, K [1 ]
Chatterjee, UK [1 ]
Murty, BS [1 ]
机构：
[1] Indian Inst Technol Mat Engn, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2004年 / 334卷
关键词：
D O I：
10.1016/j.jnoncrysol.2003.12.038
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The corrosion behavior of melt-spun amorphous and nanoquasicrystalline Zr80Pt20 ribbons and amorphous Zr70Pd30 ribbons has been investigated using a potentiodynamic polarization study in a neutral NaCl solution. All three alloys are susceptible to chloride attack, and pitting is observed. The pitting corrosion behavior of these alloys has been compared with zirconium (98% pure). The oxidation behavior of the amorphous Zr70Pd30 alloy and the partially nanocrystalline Zr80Pt20 alloys has been studied non-isotherm ally by a thermo-gravimetric analysis in static air at different heating rates up to 773 K. It was observed that the amorphous Zr70Pd30 alloy readily oxidizes. Zr80Pt20 alloys in the nanoquasicrystalline state are more resistant to oxidation. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：544 / 547
页数：4
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